А)1,53*54-0,42*(512-491,2)+1,116 ,12+43,08)*0,007-0,0314)*100 - вопрос №78878721535404251249121116124308000700314100 от Yana12ost 02.04.2021 15:25

Question

Математика: А)1,53*54-0,42*(512-491,2)+1,116 ,12+43,08)*0,007-0,0314)*100

Yana12ost · Answer

А)1,53*54-0,42*(512-491,2)+1,116=75
512-491,2=20,8
0,42*20,8=8,736
1,53*54=82,62
82,62-8,736+1,116=73,884+1,116=75

б)((27,12+43,08)*0,007-0,0314)*100=46
27,12+43,08=70,2
70,2*0,007=0,4914
0,4914-0,0314=0,46
0,46*100=46